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Stephen Day

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Gas Safe registered and FGAS certified engineer with over 20 years experience in the heating and cooling industry.
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A combination boiler, commonly known as a combi boiler, is an advanced heating unit that p...

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The persistent whistling from your boiler is more than just a nuisance; it signals underly...

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Boiler error codes serve as essential diagnostics tools that help identify specific issues...

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Combi boiler pressure is a crucial factor for maintaining efficiency and safety. For most...

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A boiler lockout occurs when a boiler detects a fault and shuts down to prevent further is...

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Boiler systems utilise error codes as an internal diagnostic tool. They offer a swift indi...

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Oil Boiler Ban

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Oil Boiler Ban

As preparation steps up for the transition from oil boilers, homeowners confront a multifa...

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Most Energy Efficient Boilers in 2025 (UK Guide)

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The efficiency of your boiler may not be something you pay much attention to, but is it co...

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Vaillant F62 Fault Code

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Vaillant F62 Fault Code

Error codes on boilers can be a confusing and frustrating topic, here at iHeat we want to...

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Common Worcester Bosch Boiler Error Codes

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In this guide, we are going to highlight the most common Worcester BOSCH errors that can s...

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